Sales of 10,000 increase by 65% each year

I uploaded the answer to a file hosting. Here's link:

cutt.ly/rzNrBcz

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

its 60

4 x 12 = 48

3 x 4 = 12

48 + 12 = 60

yeeeet